vue3引入mitt（eventBus）-526互联

版本

"mitt": "^3.0.1"

1、npm install mitt

2、项目下创建文件夹eventBus 建 myEventBus.js

import mitt from 'mitt'
export default mitt()

3、组件里监听

组件A

import myEventBus from "../eventBus/myEventBus";

myEventBus.on('closeVisit',()=>{ // closeVisit 名称
// 逻辑
  closeOpen()
})

组件B

import myEventBus from "../eventBus/myEventBus";

myEventBus.emit('closeVisit')